28712194

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{21143}}^1$

素因数の和:21249

約数の個数: 16

約数和(自身を含む): 49730688

約数和(自身を除く): 21018494

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 21143, 42286, 148001, 296002, 2050871, 4101742, 14356097, 28712194]

約数ペア:

[(1, 28712194), (2, 14356097), (7, 4101742), (14, 2050871), (97, 296002), (194, 148001), (679, 42286), (1358, 21143)]